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Table 1 Comparison of recombinant Bacillus subtilis WB800N/cotC-treS–cotG-treS and Bacillus subtilis WB800N(ΔsleB, ΔcwlJ)/cotC-treS–cotG-treS (\(\overline{\text{X}}\) ± S, n = 5)

From: Production of trehalose with trehalose synthase expressed and displayed on the surface of Bacillus subtilis spores

Recombinant strain

Bacterial number (109/mL)

Spore number (109/mL)

Spore yield (%)

Enzyme activity of unit spore dry weight (U/g)

Bacillus subtilis WB800N/cotC-treS–cotG-treS

1.73 ± 0.065

1.56 ± 0.054

90.17 ± 3.3

2489 ± 119

Bacillus subtilis WB800N(ΔsleB, ΔcwlJ)/cotC-treS–cotG-treS

1.69 ± 0.074

1.52 ± 0.052

89.94 ± 4.1

2505 ± 121

  1. Data presented are representative of five biological replicates (± SD)